ws: parse remote addrs with trailing dash (#6537)

rpc/client/http/ws.go

@@ -63,6 +63,12 @@ func newWsEvents(remote string, wso WSOptions) (*wsEvents, error) {
 		return nil, fmt.Errorf("invalid WSOptions: %w", err)
 	}
 
+	// remove the trailing / from the remote else the websocket endpoint
+	// won't parse correctly
+	if remote[len(remote)-1] == '/' {
+		remote = remote[:len(remote)-1]
+	}
+
 	w := &wsEvents{
 		subscriptions: make(map[string]chan ctypes.ResultEvent),
 	}

rpc/client/rpc_test.go

@@ -77,6 +77,14 @@ func TestNilCustomHTTPClient(t *testing.T) {
 	})
 }
 
+func TestParseInvalidAddress(t *testing.T) {
+	_, conf := NodeSuite(t)
+	// should remove trailing /
+	invalidRemote := conf.RPC.ListenAddress + "/"
+	_, err := rpchttp.New(invalidRemote)
+	require.NoError(t, err)
+}
+
 func TestCustomHTTPClient(t *testing.T) {
 	_, conf := NodeSuite(t)
 	remote := conf.RPC.ListenAddress